Shanghai Changzeng Metal Co., Ltd. was founded in 2006 with a initial investment of RMB10,500, 000(shown on Business License), after ten years of hard work, it has now become a company with an annual sales of more than 100,000 tons in steel product. The company has our own processing factory, warehouse & sales office. Our factory is located in Songjiang Steel City-Shanghai.Our products covers different kinds of steel profiles including angle steel, H beam, I beam, channel steel, checkered plate/coil, steel plate/coil, square tube, rebar, wire rod, etc. Our products comply with the standards of GB, ASTM, JIS, BS, EN, TOCT, KSD & IS. Our company has well-equipped testing equipment and strong technical force, we strictly execute quality control standards and ensure that product begins and finishes on time. A third party quality test is also acceptable. We are long-term strategic cooperation partner with Chinese most famous government owned steel manufacturer: Baosteel, Tianjin Steel, Masteel, Shousteel and Tangshan Steel. Our annual production capacity is now over 100,000Ton. Most of our products are widely used in petrochemical, textile, ship-making, construction industry and precision instrument manufacture. We have now established long-term relationship with over 600 clients from Southeast Asia, Middle East, Europe, East Asia, Africa, North America, South America. The success of our products proves the good quality of it. We hold the principle of "customer first, honesty foremost", and sincerely hope to cooperate with customers from domestic and abroad by means of high-quality products as well as good services. Our business concept is to work for mutual benefits and create a brilliant future by joint efforts.